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 ###Instrução: Qual Surface tem uma pontuação de 7-5, 6-4?
 ###Tabelas: CREATE TABLE radial-velocity_comparison_tables (radial-velocity_comparison_tables_id AUTO_INCREMENT PRIMARY KEY, Planet VARCHAR, Planet Type VARCHAR, Semimajor Axis ( AU ) INT, Orbital Period VARCHAR, Radial velocity (m/s) INT, Detectable by: VARCHAR) CREATE TABLE head-to-head_records_against_other_countries (head-to-head_records_against_other_countries_id AUTO_INCREMENT PRIMARY KEY, Games INT, Wins INT, Draws INT, Losses INT, Goals For INT, Goals Against INT, Goal Differential VARCHAR) CREATE TABLE singles_6 (singles_6_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Tournament VARCHAR, Surface VARCHAR, Opponen VARCHAR, Score VARCHAR) CREATE TABLE season_6_2009–11 (season_6_2009–11_id AUTO_INCREMENT PRIMARY KEY, Series # INT, Season # INT, Title VARCHAR, Directed by VARCHAR, Written by VARCHAR, Original air date VARCHAR, Production code INT) CREATE TABLE tally (tally_id AUTO_INCREMENT PRIMARY KEY, Club VARCHAR, Matches INT, Wins INT, Draws INT, Losses INT, Record (%) [draw = 0.5 wins] INT)  
SELECT Surface FROM singles_6 WHERE Score = 7–5, 6–4